EP1869802A4 - Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system - Google Patents

Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system

Info

Publication number
EP1869802A4
EP1869802A4 EP06734489A EP06734489A EP1869802A4 EP 1869802 A4 EP1869802 A4 EP 1869802A4 EP 06734489 A EP06734489 A EP 06734489A EP 06734489 A EP06734489 A EP 06734489A EP 1869802 A4 EP1869802 A4 EP 1869802A4
Authority
EP
European Patent Office
Prior art keywords
communication system
radio communication
spread spectrum
peak
correlation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06734489A
Other languages
German (de)
French (fr)
Other versions
EP1869802A2 (en
EP1869802B1 (en
Inventor
Amir Soltanian
Mirjana Peric
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PCTel Inc
Original Assignee
PCTel Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PCTel Inc filed Critical PCTel Inc
Publication of EP1869802A2 publication Critical patent/EP1869802A2/en
Publication of EP1869802A4 publication Critical patent/EP1869802A4/en
Application granted granted Critical
Publication of EP1869802B1 publication Critical patent/EP1869802B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

An improved apparatus (and corresponding methodology) for discovering beacon signals in a spread spectrum radio communication system is provided, wherein the beacon signals comprise a plurality of different code sequences having index values assigned thereto and having portions that overlap one another. Correlation is performed over an extended search window. Ambiguities between correlation peaks are resolved by identifying correlation peak pairs corresponding to overlapping code sequences and having time offsets that fall within a predetermined tolerance window. Each pair is analyzed to identify the peak with a lower power level metric, and information pertaining to this lower power level peak is discarded from output and processing operations that follow therefrom.
EP06734489A 2005-04-07 2006-02-07 Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system Expired - Lifetime EP1869802B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/101,340 US7272126B2 (en) 2005-04-07 2005-04-07 Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system
PCT/US2006/004273 WO2006110202A2 (en) 2005-04-07 2006-02-07 Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system

Publications (3)

Publication Number Publication Date
EP1869802A2 EP1869802A2 (en) 2007-12-26
EP1869802A4 true EP1869802A4 (en) 2010-08-11
EP1869802B1 EP1869802B1 (en) 2011-09-14

Family

ID=37083065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06734489A Expired - Lifetime EP1869802B1 (en) 2005-04-07 2006-02-07 Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system

Country Status (5)

Country Link
US (1) US7272126B2 (en)
EP (1) EP1869802B1 (en)
JP (1) JP4768808B2 (en)
AT (1) ATE524886T1 (en)
WO (1) WO2006110202A2 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7436878B1 (en) 2005-05-24 2008-10-14 L-3 Communications Corporation Method and apparatus for efficient carrier bin search for a composite spreading code
US7609751B1 (en) 2005-05-24 2009-10-27 L-3 Communications Corporation Method and apparatus to initiate communications between an unknown node and an existing secure network
US7760697B1 (en) * 2005-05-24 2010-07-20 L-3 Communications Corporation Fast and long range node discovery in spread spectrum networks
US7515601B2 (en) * 2005-05-31 2009-04-07 Broadcom Corporation Turbo decoding module supporting state n metric value normalization operations
US7782964B1 (en) * 2005-08-09 2010-08-24 Sprint Spectrum L.P. Method and system for frequency band allocation based on frequency band usage measurements
US8594151B2 (en) * 2005-10-31 2013-11-26 Nokia Corporation Pilot sequence detection
US8208392B2 (en) * 2007-08-13 2012-06-26 Samsung Electronics Co., Ltd. System and method for peer-to-peer beam discovery and communication in infrastructure based wireless networks using directional antennas
US8917675B2 (en) * 2007-08-20 2014-12-23 Samsung Electronics Co., Ltd. System and method for multiple contention access periods
US8891557B2 (en) * 2008-05-21 2014-11-18 Qualcomm Incorporated Method and apparatus for sending information via selection of resources used for transmission
KR101452497B1 (en) 2008-05-22 2014-10-21 엘지전자 주식회사 Method for searching cell in gsm/gprs system
US8817676B2 (en) * 2008-11-03 2014-08-26 Samsung Electronics Co., Ltd. Method and system for station-to-station directional wireless communication
US8385362B2 (en) * 2009-01-09 2013-02-26 Samsung Electronics Co., Ltd. Method and system for contention-based medium access schemes for directional wireless transmission with asymmetric antenna system (AAS) in wireless communication systems
US8611474B2 (en) * 2010-04-23 2013-12-17 Qualcomm Incorporated System and method for detecting and processing received signal with pulse sequence
US9450640B2 (en) * 2010-07-06 2016-09-20 Keysight Technologies Singapore (Holdings) Pte. Ltd. Apparatus and method for pilot detection
KR102159660B1 (en) 2011-12-08 2020-09-28 인터디지탈 패튼 홀딩스, 인크 COMMUNICATING USING MULTIPLE RADIO ACCESS TECHNOLOGIES (RATs)
US9143968B1 (en) 2014-07-18 2015-09-22 Cognitive Systems Corp. Wireless spectrum monitoring and analysis
US9143413B1 (en) 2014-10-22 2015-09-22 Cognitive Systems Corp. Presenting wireless-spectrum usage information
US9535155B2 (en) 2015-02-04 2017-01-03 Cognitive Systems Corp. Locating the source of a wireless signal
US9860763B2 (en) 2015-03-25 2018-01-02 Cognitive Systems Corp. Analyzing wireless network performance
US9344907B1 (en) 2015-06-04 2016-05-17 Cognitive Systems Corp. Analyzing wireless signal propagation
CN106341159B (en) * 2016-08-25 2019-06-11 广州慧睿思通信息科技有限公司 A kind of wireless pilot signals searching method and system
US11830085B2 (en) * 2019-08-19 2023-11-28 Vikas Narula Enhanced rating interface and techniques

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004017534A1 (en) * 2002-08-19 2004-02-26 Nokia Corporation Rake receiver
US6757323B1 (en) * 2000-05-16 2004-06-29 Robert Alan Fleming Rapid signal acquisition by spread spectrum transceivers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741856B2 (en) * 2000-08-14 2004-05-25 Vesuvius Inc. Communique system for virtual private narrowcasts in cellular communication networks
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
US7200391B2 (en) * 2002-12-06 2007-04-03 Airvana, Inc. Capacity enhancement schemes for forward and reverse links of distributed cellular base stations
US20040213182A1 (en) * 2003-01-10 2004-10-28 Hoon Huh Apparatus and method for controlling a reverse rate in a mobile communication system supporting packet data service
DE602004003895T2 (en) * 2004-01-30 2007-09-06 Mitsubishi Denki K.K. Method and apparatus for dynamic resource allocation in a wireless network
US7019691B1 (en) * 2005-04-07 2006-03-28 Pctel,Maryland, Inc. Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6757323B1 (en) * 2000-05-16 2004-06-29 Robert Alan Fleming Rapid signal acquisition by spread spectrum transceivers
WO2004017534A1 (en) * 2002-08-19 2004-02-26 Nokia Corporation Rake receiver

Also Published As

Publication number Publication date
ATE524886T1 (en) 2011-09-15
US20060227750A1 (en) 2006-10-12
WO2006110202A2 (en) 2006-10-19
JP4768808B2 (en) 2011-09-07
US7272126B2 (en) 2007-09-18
JP2008539608A (en) 2008-11-13
HK1113617A1 (en) 2008-10-10
WO2006110202A3 (en) 2008-07-17
EP1869802A2 (en) 2007-12-26
EP1869802B1 (en) 2011-09-14

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